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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.4, 2003³â, pp.65-74
»ç¸é¾ÈÁ¤Çؼ®¿¡ À־ÀÇ À¯ÇÑ¿ä¼Ò¹ý°ú ÇѰèÆòÇü¹ýÀÇ ºñ±³¿¬±¸
( Comparative Study Between Finite Element Method and Limit Equilibrium Method on Slope Stability Analysis )
À̵¿¿±;À¯Ãæ½Ä; ¼º±Õ°ü´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;¼º±Õ°ü´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;
 
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º» ³í¹®¿¡¼­´Â »ç¸é¾ÈÁ¤Çؼ®¿¡ À־ÀÇ À¯ÇÑ¿ä¼Ò¹ý°ú ÇѰèÆòÇü¹ýÀÇ °á°ú¸¦ ³ªÅ¸³»¾ú´Ù ÇØ¼®ÀÇ Å¸´ç¼ºÀ» ºÎ¿©Çϱâ À§ÇÏ¿© À¯ÇÑ¿ä¼Ò¹ý°ú ÇѰèÆòÇü¹ý¿¡ ÀÇÇÑ ¾ÈÀüÀ²À» ºñ±³ÇÏ¿´À¸¸ç, °¢°¢ÀÇ ¹æ¹ý¿¡ ÀÇÇÑ ¾ÈÀüÀ²ÀÌ Àß ÀÏÄ¡µÊÀ» º¸¿© Àü´Ü°­µµ°¨¼Ò±â¹ýÀ» »ç¿ëÇÑ À¯ÇÑ¿ä¼ÒÇØ¼®ÀÌ »ç¸é¾ÈÁ¤Çؼ®¿¡ À־ È¿°úÀûÀ¸·Î »ç¿ëµÉ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù. ±¸¼º ¹ýÄ¢, »ç¸éÀÇ °æ»ç°¢, È帧¹ýÄ¢, ±×¸®°í À¯ÇÑ¿ä¼Ò¸ÁÀÇ ÀÌ»êÈ­¿¡ µû¸¥ ÀÏ·ÃÀÇ À¯ÇÑ¿ä¼ÒÇØ¼®À» ½Ç½ÃÇÑ °á°ú, Àü´Ü°­µµ°¨¼Ò±â¹ý¿¡ ±Ù°ÅÇÑ À¯ÇÑ¿ä¼ÒÇØ¼®¹ýÀº ¾ÈÀüÀ²¿¡ °üÇÏ¿© ÇÕ¸®ÀûÀÎ °á°ú¸¦ Á¦°øÇÒ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´°í À¯ÇÑ¿ä¼ÒÇØ¼®°á°ú´Â ±¸¼º¹ýÄ¢°ú È帧¹ýÄ¢ÀÇ ¼±Åÿ¡ ÀÇÇØ »ó´çÇÑ ¿µÇâÀ» ¹ÞÀ» ¼ö ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù.
This paper presents the results of a comparative study between FEM and LEM on slope stability analysis. For validation, factors of safety were compared between FEM and LEM. The results from the two methods were in good agreement. This suggests that the FEM with the shear strength reduction method can be effectively used on slope stability analyses. A series of analyses were then performed using the FEM for various constitutive laws, slope angles, flow rules, and the finite element discretizations. Among the findings, the finite element method in conjunction with the shear strength reduction method can provide reasonable results in terms of safety. Also revealed is that the results of FEM can be significantly affected by the way in which the type of constitutive law and flow nile we selected.
 
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Associated flow rule;Finite element method;Limit equilibrium method;Non-dilatant flow;Shear strength reduction technique;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.4, 2003³â, pp.65-74
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921886451)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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